Schwannoma of penis

Atypical Presentations of Benign Retroperitoneal Schwannoma: Report of Three Cases with Review of Literature

“…The histopathological examination and immunohistochemistry confirmed it as a case of benign schwannona. The urogenital tract involvement by the schwannomas have been described [2,[5][6][7]10]. The presentation in the case number-3 was flank pain and hematuria which can be explained by local compression and distortion of renal pelvis and renal parenchyma ( Figure 2).…”

“…The majorities arise from cranial nerves or nerves of upper extremities [1-3, 5, 6], but rarely they can arise from retroperitoneum [1][2][3][4][5]7]. Rarely the schwannomas can involve the urogenital system also [6][7][8]. Most common presentation of the retroperitoneal schwannoma are vague abdominal or dull ache pain [1,2,5,7].…”

Schwannoma of the Penis

“…Since the first case of penile schwannoma was reported in 1950 [2], a total of 11 cases has been reported in the world literature (table 1) [3][4][5][6][7][8]. In a review of these cases, the most common site in the penis was the penile shaft (8 patients).…”

Benign Schwannoma Surrounding and Obstructing the Ureteropelvic Junction

“…In a smaller more recent series, schwannoma accounted for 10% of all primary retroperitoneal A schwannoma is a tumor originating from the Schwann cells of the peripheral nerve sheath. 40-50% of all schwannoma tumors typi cally affect the cutaneous nerves of the head and neck, the upper extremities, lower extremities and trunk [3], Schwannoma involving the urogenital system is rare but has been reported in the penis [4],…”